b_model, b_aic = aic_arima_search(3, 1, X_train, (0, 1, 1, 100)): Best AIC: 748.2024086306737 | Order: (0, 1, 2, None) | Ljung-Box: 0.3248577916844525 | Largest coefficient p-value: 0.0 | Seasonal order fixed at (0, 1, 1, 100) AIC Ljung-Box min Largest coef p-value \ (0, 1, 2, None) 748.202409 0.324858 0.000 (0, 1, 2, c) 749.467179 0.332896 0.408 (1, 1, 2, None) 749.999126 0.344536 0.695 (1, 1, 0, None) 750.109236 0.071161 0.000 (2, 1, 2, None) 750.604126 0.499080 0.967 (1, 1, 2, c) 751.295172 0.350928 0.723 (1, 1, 0, c) 751.458170 0.071954 0.439 (2, 1, 2, c) 751.792260 0.513163 0.955 (2, 1, 0, None) 752.108883 0.071471 0.986 (1, 1, 1, None) 752.108995 0.071373 0.991 (2, 1, 1, None) 752.498412 0.136399 0.209 (2, 1, 0, c) 753.455577 0.072806 0.963 (1, 1, 1, c) 753.456403 0.072522 0.975 (2, 1, 1, c) 753.871941 0.136850 0.449 RSS (stationary) RSS (with trend) (0, 1, 2, None) 294.517562 160.747903 (0, 1, 2, c) 294.217199 160.807701 (1, 1, 2, None) 295.711046 160.757523 (1, 1, 0, None) 298.895229 162.183812 (2, 1, 2, None) 293.943035 160.259807 (1, 1, 2, c) 295.319258 160.818417 (1, 1, 0, c) 298.363462 162.254542 (2, 1, 2, c) 293.462007 160.295883 (2, 1, 0, None) 299.010186 162.182822 (1, 1, 1, None) 298.974285 162.183327 (2, 1, 1, None) 292.996422 161.626316 (2, 1, 0, c) 298.680309 162.251319 (1, 1, 1, c) 298.567273 162.252322 (2, 1, 1, c) 292.552029 161.703417